It Is Estimated Today That at Least _________ of "Black

question 90

Multiple Choice

It is estimated today that at least _________ of "black" Americans have at least one "white" ancestor.

• A) one-half
• B) one-third
• C) two-thirds
• D) one-quarter
• E) three-quarters

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Definitions:

Random Samples

Selections made in such a way that each member of a population has an equal chance of being included, ensuring the sample's representativeness of the whole.

F-test

A statistical test used to compare the variances of two samples to determine if they come from populations with equal variances.

Population Variances

A measure of the variability or spread of a population's data points, representing the average of the squared deviations from the mean.

Two-tail Test

A statistical test used to determine whether there is a significant difference between a sample and a population mean in either direction.